提交 1681bc30 编写于 作者: R Randy Dunlap 提交者: Alexey Dobriyan

proc: move fs/proc/inode-alloc.txt comment into a source file

so that people will realize that it exists and can update it as needed.
Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com>
上级 e1c50248
......@@ -307,6 +307,21 @@ static DEFINE_SPINLOCK(proc_inum_lock); /* protects the above */
/*
* Return an inode number between PROC_DYNAMIC_FIRST and
* 0xffffffff, or zero on failure.
*
* Current inode allocations in the proc-fs (hex-numbers):
*
* 00000000 reserved
* 00000001-00000fff static entries (goners)
* 001 root-ino
*
* 00001000-00001fff unused
* 0001xxxx-7fffxxxx pid-dir entries for pid 1-7fff
* 80000000-efffffff unused
* f0000000-ffffffff dynamic entries
*
* Goal:
* Once we split the thing into several virtual filesystems,
* we will get rid of magical ranges (and this comment, BTW).
*/
static unsigned int get_inode_number(void)
{
......
Current inode allocations in the proc-fs (hex-numbers):
00000000 reserved
00000001-00000fff static entries (goners)
001 root-ino
00001000-00001fff unused
0001xxxx-7fffxxxx pid-dir entries for pid 1-7fff
80000000-efffffff unused
f0000000-ffffffff dynamic entries
Goal:
a) once we'll split the thing into several virtual filesystems we
will get rid of magical ranges (and this file, BTW).
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